23135224545555 has 8 divisors (see below), whose sum is σ = 37016359272912. Its totient is φ = 12338786424288.

The previous prime is 23135224545533. The next prime is 23135224545583. The reversal of 23135224545555 is 55554542253132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23135224545555 - 2¹² = 23135224541459 is a prime.

It is a super-2 number, since 2×23135224545555² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 23135224545498 and 23135224545507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771174151504 + ... + 771174151533.

It is an arithmetic number, because the mean of its divisors is an integer number (4627044909114).

Almost surely, 2^{23135224545555} is an apocalyptic number.

23135224545555 is a deficient number, since it is larger than the sum of its proper divisors (13881134727357).

23135224545555 is a wasteful number, since it uses less digits than its factorization.

23135224545555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542348303045.

The product of its digits is 18000000, while the sum is 51.

Adding to 23135224545555 its reverse (55554542253132), we get a palindrome (78689766798687).

The spelling of 23135224545555 in words is "twenty-three trillion, one hundred thirty-five billion, two hundred twenty-four million, five hundred forty-five thousand, five hundred fifty-five".